DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Craniotomy brain surgery. Close-up of a surgeon operating on a patient's brain after the scalp was peeled back and a flap of bone removed from the skull. Known as a craniotomy, this procedure is carried out as part of brain surgery. It is done for patients with brain lesions or injuries, and is also done to allow implants to be placed in the brain.
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